LTC1272

4

1272fc

For more information www.linear.com/1272

SYMBOL

PARAMETER

CONDITIONS

LTC1272-XA/C

UNITS

MIN

TYP

MAX

S/(N+D)

Signal-to-Noise Plus Distortion Ratio

10kHz Input Signal

72

dB

THD

Total Harmonic Distortion (Up to 5th Harmonic)

10kHz Input Signal

–82

dB

Peak Harmonic or Spurious Noise

10kHz Input Signal

–82

dB

l

denotes the specifications which apply over the full operating temperature range, otherwise

SYMBOL

PARAMETER

CONDITIONS

LTC1272-XA/B/C

UNITS

MIN

TYP

MAX

Input Voltage Range

l

0

5

V

Input Current

l

3.5

mA

Input Capacitance

50

pF

Sample-and-Hold Acquisition Time

l

0.45

1

µs

l

denotes the specifications which apply over the full operating temperature

SYMBOL

PARAMETER

CONDITIONS

LTC1272-XA/C

UNITS

MIN

TYP

MAX

CS to RD Setup Time

l

0

ns

RD to BUSY Delay

COM Grade

l

80

190

230

ns

ns

COM Grade

l

50

90

110

ns

ns

COM Grade

l

70

125

150

ns

ns

RD Pulse Width

COM Grade

l

ns

ns

CS to RD Hold Time

l

0

ns

Data Setup Time After BUSY

COM Grade

l

40

70

90

ns

ns

Bus Relinquish Time

COM Grade

l

20

20

30

75

85

ns

ns

HBEN to RD Setup Time

l

0

ns

HBEN to RD Hold Time

l

0

ns

Delay Between RD Operations

l

200

ns

Delay Between Conversions

1

µs

Aperture Delay of Sample and Hold

Jitter <50ps

25

ns

CLK to BUSY Delay

COM Grade

l

80

170

220

ns

ns

Conversion Time

l

12

13

CLK

CYCLES